Kowalski and Sergot’s Event Calculus (EC) is a simple temporal formalism that, given a set of event occurrences, derives the maximal validity intervals (MVIs) over which propert...
Logic and databases have gone a long way together since the advent of relational databases. Already the rst basic query languages for relational databases beside relational algebra...
We present the design and implementation of APL Intrinsic Functions for a Finite State Machine (also known as a Finite State Automaton) which recognizes regular languages, and a P...
AMOS (Active Mediators Object System) is an architecture to model, locate, search, combine, update, and monitor data in information systems with many work stations connected using...
Norms defined by institutions and enforced by organizations have been put forward as a mechanism to increase the efficiency and reliability of electronic transactions carried out ...